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Finding the Fourth Proportional to 63,728.26, 87,935.15 and 36,873.27

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Solution

The fourth proportional to 63,728.26, 87,935.15 and 36,873.27 is: 50,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728.26 : 87,935.15 = 36,873.27 : x
  2. Step 2: Convert to fraction form
    63,728.26/87,935.15 = 36,873.27/x
  3. Step 3: Cross multiply
    63,728.26x = 87,935.15 × 36,873.27
  4. Step 4: Simplify right side
    63,728.26x = 3,242,456,528.44
  5. Step 5: Solve for x
    x = 3,242,456,528.44/63,728.26
  6. Step 6: Final answer
    x = 50,879.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.